As shown in the Discussion Starter of this chapter, 23% of the 9.6 quadrillion Btu of renewable energy in 2014 came from wood and wood by-products and waste (e.g., sawdust and scraps). Estimate the number of cords of wood that would have the equivalent energy content. State your assumptions.

What will be an ideal response?


energy from wood and wood by-products



Assuming one cord of wood has an average energy content of 20,000,000 Btu,

Environmental & Atmospheric Sciences

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